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Zinaida [17]
3 years ago
10

Find the area of a regular octagon with

Mathematics
2 answers:
TEA [102]3 years ago
6 0
I believe the answe is A
vesna_86 [32]3 years ago
4 0

Answer:

A= 695.3cm²

Step-by-step explanation:

  • We khow that the area of anctagon is : A= 2(1+\sqrt{2})*a² with a the side
  • so A= 2(1+√2)*a² = 695.29= 695.3 cm²

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OlgaM077 [116]
I'm supposing that those would practically be known to be fractions above, as I can see they are not properly placed in order, but, that would be "ok". So, from knowing this above, the main thing that we would do in this case is to understand that we would then have to consider the question, "how many cups of fruit". Therefore, we would then stop from there, we are going to consider the amount of fruit.We would then do the following:

\boxed{ 1\frac{1}{2}+ \frac{3}{4} +  \frac{2}{3} = 2 \frac{11}{12} }

She would then have to use only (2)11/12 of fruit.
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3 years ago
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An avid gardener is putting in a circular flower bed in the middle of their front lawn. They are
iren [92.7K]

Answer:

335\:\text{ft}

Step-by-step explanation:

The circumference of a circle is given by C=2\pi r, where r is the radius of the circle. Therefore, we can set up the following equation and solve:

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7 0
3 years ago
Area = ___ square units​
4vir4ik [10]

Answer:

9 square units

Step-by-step explanation:

Area of a square = base * height

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4 0
3 years ago
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Find a • b if a=3i+8j and b=-0.5-4j
Marina CMI [18]

Answer: -8j + 3i

Step-by-step explanation:

3i + 8j · (- 0.5) - 4j

3i-8j · 0.5 - 4j

3i-4j-4j

3i-8j

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Hope this helps

6 0
3 years ago
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(10 points)
kiruha [24]

Step-by-step explanation:

Im not sure ut it looks like 3x over 3x would cancel eachother out.

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